#!/bin/bash
# Copyright 2020-2021 Huawei Technologies Co., Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============================================================================


if [ $# != 4 ]
then 
    echo "Usage: bash run_standalone_train_gpu.sh [CONFIG_FILE] [DATASET] [EPOCH_SIZE] [LR]"
exit 1
fi

get_real_path(){
  if [ "${1:0:1}" == "/" ]; then
    echo "$1"
  else
    realpath -m "$PWD"/"$1"
  fi
}

CONFIG_PATH=$(get_real_path "$1")
DATASET=$2
EPOCH_SIZE=$3
LR=$4

#ulimit -u unlimited
export DEVICE_NUM=1
export DEVICE_ID=0
export RANK_ID=0
export RANK_SIZE=1

if [ -d "train" ];
then
    rm -rf ./train
fi
mkdir ./train
cp ../*.py ./train
cp -- *.sh ./train
cp -r ../src ./train
cp -r ../config/*.yaml ./train
cd ./train || exit
echo "start training for device $DEVICE_ID"
env > env.log
if [ $# == 4 ]
then
    python train.py \
    --config_path="$CONFIG_PATH" \
    --run_platform="GPU" \
    --dataset="$DATASET" \
    --lr="$LR" \
    --device_id=$DEVICE_ID \
    --epoch_size="$EPOCH_SIZE" &> log &
fi
cd ..
